XU Qing-Hua (徐清华) received his B.S. from Zhejiang Univ (1993), M.S. from Peking Univ (1996) and Univ. of Chicago (1997), and Ph.D. from UC Berkeley (2001). He conducted the postdoctoral research at Stanford Univ and UC Santa Barbara. He joined NUS Chemistry in 2005 and became a tenured Associate Professor since 2011. His primary research interest is development of various light based applications such as sensing, imaging, photosensitization and optoelectronics using various nanomaterials and organic/polymer materials, as well as investigation of the underlying fundamental mechanisms using various novel optical spectroscopy and imaging techniques. So far he has published ~200 peer reviewed articles with citation of >9500 and an H-index of 58.